2004 Bombardier Quest/Traxter Series Shop Manual, Page 212Get this manual
Section 04 ENGINE TRAXTER Subsection 02 (TROUBLESHOOTING)
CYLINDER AND HEAD
SYMPTOM CONDITION TestInspection UNUSUAL ENGINE NOISE ANDOR VIBRATIONNORMAL USE1Check noise coming from cylinder head areaaHydraulic lifters are worn outReplace hydraulic liftersbRocker arm shaft worn outReplace rocker arm shaft andor rocker armscFaulty push rodsReplace push rodsdPiston rings or grooves worn or brokenReplace defective part(s)ePiston or cylinder wornReplace the defective part(s)SYMPTOM CONDITION TestInspection OIL CONTAMINATION ON CYLINDER ANDOR HEADNORMAL USE1Check if the dipstick is in placeaDisptick or O-ring missingReinstall dipstick andor O-ring2Check screws for torqueaLoose screwsRetighten screws with recommended torquebGaskets are brittle, hard, worn out or otherwise damagedReplace damaged gaskets, O-rings or the V-ring on breather